- NX series User's Manual POWER SUPPLY

5(86)
NX User's Manual
Index
1. SAFETY.................................................................................................................................. 7
1.1 W
ARNINGS
...................................................................................................................................... 7
1.2 S
AFETY INSTRUCTIONS
.................................................................................................................... 7
1.3 E
ARTHING AND EARTH FAULT PROTECTION
........................................................................................ 8
1.4 R
UNNING THE MOTOR
...................................................................................................................... 8
2. EU DIRECTIVE....................................................................................................................... 9
2.1 CE
MARKING
................................................................................................................................... 9
2.2 EMC
DIRECTIVE
.............................................................................................................................. 9
2.2.1 General ..................................................................................................................................... 9
2.2.2 Technical criteria ....................................................................................................................... 9
2.2.3 NX frequency converter EMC classification............................................................................... 9
2.2.4 Manufacturer's declaration of conformity .................................................................................10
3. RECEIPT OF SHIPMENT..................................................................................................... 12
3.1 T
YPE DESIGNATION CODE
............................................................................................................... 12
3.2 S
TORAGE
...................................................................................................................................... 12
3.3 M
AINTENANCE
............................................................................................................................... 13
3.4 W
ARRANTY
................................................................................................................................... 13
4. TECHNICAL DATA.............................................................................................................. 14
4.1 I
NTRODUCTION
.............................................................................................................................. 14
4.2 P
OWER RATINGS
........................................................................................................................... 16
4.2.1 NX5 – Mains voltage 380—500 V............................................................................................ 16
4.3 T
ECHNICAL DATA
........................................................................................................................... 17
5. INSTALLATION.................................................................................................................... 19
5.1 M
OUNTING
.................................................................................................................................... 19
5.2 C
OOLING
....................................................................................................................................... 25
5.3 P
OWER LOSS
................................................................................................................................. 26
5.3.1 Power loss as function of switching frequency......................................................................... 26
6. CABLING AND CONNECTIONS ......................................................................................... 28
6.1 P
OWER UNIT
.................................................................................................................................. 28
6.1.1 Power connections.................................................................................................................. 30
6.1.1.1 Mains cable ...................................................................................................................... 30
6.1.1.2 Motor cable....................................................................................................................... 30
6.1.1.3 Control cable .................................................................................................................... 30
6.1.1.4 Cable and fuse sizes ........................................................................................................ 31
6.1.2 Installation instructions ............................................................................................................ 32
6.1.2.1 Stripping lengths of motor and mains cables..................................................................... 34
6.1.2.2 NX frequency converter frames and installation of cables................................................. 35
6.1.3 Cable installation and the UL standards .................................................................................. 39
6.1.4 Cable and motor insulation checks..........................................................................................39
6.2 C
ONTROL UNIT
.............................................................................................................................. 40
6.2.1 Control connections................................................................................................................. 40
6.2.1.1 Control cables................................................................................................................... 42
6.2.1.2 Galvanic isolation barriers................................................................................................. 42
6.2.2 Control terminal signals........................................................................................................... 43
6.2.2.1 Digital input signal inversions............................................................................................ 44